Related Experiment Video
Updated: Jun 1, 2026

Preparation of SNS Cobalt(II) Pincer Model Complexes of Liver Alcohol Dehydrogenase
Published on: March 19, 2020
Bis(ferrocenecarbaldehyde thio-semi-carbazonato-κN,S)zinc
This study details the crystal structure of a novel iron-zinc compound. Molecules self-assemble into a 2D array through various intermolecular interactions, revealing unique coordination chemistry.
Area of Science:
- Coordination Chemistry
- Crystallography
- Supramolecular Chemistry
Background:
- Ferrocene derivatives and metal-organic compounds are crucial in materials science.
- Understanding molecular assembly is key to designing new functional materials.
- Thio-semicarbazone ligands offer versatile coordination properties.
Purpose of the Study:
- To characterize the crystal structure of the novel compound [Fe(2)Zn(C(5)H(5))(2)(C(7)H(7)N(3)S)(2)].
- To investigate the coordination behavior of thio-semicarbazone ligands with zinc.
- To elucidate the intermolecular interactions driving molecular self-assembly.
Main Methods:
- Single-crystal X-ray diffraction was used to determine the molecular and crystal structure.
- Analysis of bond distances, angles, and conformations was performed.
- Intermolecular interactions (hydrogen bonding, C-H⋯X interactions) were identified and analyzed.
Main Results:
- The compound features ferrocene residues with nearly eclipsed Cp rings.
- Thio-semicarbazone ligands coordinate to the zinc atom in a bidentate N, S fashion.
- A distorted tetrahedral geometry around the zinc atom was observed.
- Intra- and intermolecular interactions, including N-H⋯S, N-H⋯N, C-H⋯S, and C-H⋯N, were identified.
- These interactions facilitate the formation of a two-dimensional molecular array parallel to the (010) plane.
Conclusions:
- The study provides a detailed structural analysis of a unique iron-zinc organometallic compound.
- The coordination mode of thio-semicarbazone ligands and the resulting geometry around zinc were established.
- The self-assembly into a 2D array is driven by specific intra- and intermolecular interactions, offering insights into crystal engineering.
Related Concept Videos
Preparation and Reactions of Sulfides
Reactions of α-Halocarbonyl Compounds: Nucleophilic Substitution
Electrophilic Aromatic Substitution: Friedel–Crafts Acylation of Benzene
Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions
Nucleophilic Aromatic Substitution: Addition–Elimination (SNAr)
The reaction begins with an attack of the nucleophile on the carbon that holds the leaving group. This results in the delocalization of the π electrons over the ring carbons. The resonance interaction between the...
Nucleophilic Aromatic Substitution of Aryldiazonium Salts: Aromatic SN1
In the Sandmeyer reaction, for example, the diazonio group is replaced by a chloro, bromo, or cyano...

